public void testMerge() {
ClassificationCounter a = new ClassificationCounter();
a.addClassification("dog", 1.0);
a.addClassification("cat", 0.5);
ClassificationCounter b = new ClassificationCounter();
b.addClassification("dog", 0.5);
b.addClassification("cat", 1.0);
ClassificationCounter merged = ClassificationCounter.merge(a, b);
Assert.assertEquals(merged.getTotal(), 3.0);
Assert.assertEquals(merged.getCount("dog"), 1.5);
Assert.assertEquals(merged.getCount("cat"), 1.5);